Perioperative Evaluation of MMP-9-TIMP-1 System in Vascular Surgery Regarding Ischemic-reperfusion Injury

Aorto-bifemoral bypass

Patients scheduled for elective aorto-bifemoral bypass surgery by vascular surgeons and consented to participate in the study.

Procedure: aorto-bifemoral bypass surgery and aorta stentgraft implantation

Surgical implantation of aorto-bifemoral bypass or aorta stentgraft under general and/or regional anaesthesia.